Portable concrete fence support



FIG. 1 is a view in perspective as seen from one side, top and one end of a portable concrete fence support showing my new design;

FIG. 2 is a view in top plan thereof;

FIG. 3 is a view in bottom plan thereof;

FIG. 4 is a view in side elevation as seen from the side opposite that shown in FIG. 1; and

FIG. 5 is a view in end elevation as seen from the end opposite that shown in FIG. 1. 

The ornamental design for a portable concrete fence support, substantially as shown and described. 